Waste can be a byproduct of industrial processes - or an item can become waste after it's been consumed.
Waste - be it plastic, micro-plastic, radioactive, or otherwise toxic - can cause major environmental problems. DW presents an automatic compilation of content around the topic of waste.
Rob Greenfield is a US environmental activist known for his unusual approach to sustainable living. From wearing a suit of bags filled with his own trash to cycling across the country on a bamboo bicycle, his actions aim to highlight the importance of looking after the planet. DW spoke with Rob while he was on tour in Europe.
Shriveled lemons, forgotten leftovers, and wilted celery are often found lurking at the back of fridges. In Germany, the average person throws away 82 kilograms of unused food every year. Now, a few enterprising individuals are looking to tackle the problem - they've opened a supermarket to sell food that's rescued from the bin.